Spectral sensor



FIG. 1 is a perspective view of the spectral sensor according to thepresent invention;

FIG. 2 is a top view of the spectral sensor according to the presentinvention as shown in FIG. 1;

FIG. 3 is a short side view of the spectral sensor according to thepresent invention as shown in FIG. 1;

FIG. 4 is a short side view of the spectral sensor according to thepresent invention as shown in FIG. 1, shown from the opposing short sideview as that shown in FIG. 3;

FIG. 5 is a long side view of the spectral sensor according to thepresent invention as shown in FIG. 1;

FIG. 6 is a long side view of the spectral sensor according to thepresent invention as shown in FIG. 1, shown from the opposing long sideview as that shown in FIG. 5; and,

FIG. 7 is a bottom view of the spectral sensor according to the presentinvention as shown in FIG. 1.

The broken lines depicted in the figures represent the bounds of theclaimed design and form no part of the claimed design.

CLAIM The ornamental design for a spectral sensor, as shown anddescribed.